def add(a,b):
    print(f"Adding {a} + {b}")
    return a + b

def substract(a,b):
    print(f"Substracting {a} - {b}")
    return a - b
	
def multiply(a,b):
    print(f"Multiplying {a} * {b}")
    return a * b

def divide(a,b):
    print(f"Dividing {a} / {b}")
    return a / b


print("Let`s do it!")

age = add(30,5)
height = substract(78,4)
weight = multiply(90,2)
iq = divide(100,2)

print(f"Age:{age} , Height:{height} , Weight:{weight} , IQ:{iq}")



print("Here is a puzzle")

what = add(age,substract(height,multiply(weight,divide(iq,2))))

print("Becomes:",what,"Can you do it?")